> For the complete documentation index, see [llms.txt](https://docs.wcproducts.com/welcome/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wcproducts.com/welcome/gearboxes/wcp-swerve-x/assembly-instructions/standard/step-5-8.md).
# Step 5-8
{% hint style="success" %}
Vibra-TITE VC-3 Threadmate ([Vibra-TITE](https://wcproducts.com/products/threadlocker)) is recommended on all bolts that thread into a tapped hole.
{% endhint %}
## Step 5
Press the 72T Rotation Gear in by hand. If necessary, use a dead blow hammer to lightly tap it in.
The Wheel Module Drive Shaft must be installed through the bottom side of the 3/8” Rounded Hex bearing.
| Gear Ratio Kit | 2nd Stage Driven Gear |
| -------------- | --------------------- |
| X1 | 20t |
| X2 | 18t |
| X3 | 18t |
{% hint style="info" %}
The Wheel Module Drive Shaft was updated to get rid of the #8-32 bolt and printed cap. If your shaft has a tapped hole, refer to the v1 Drive Shaft image below. If your shaft doesn't have a tapped hole, refer to the v2 Drive Shaft image below.
{% endhint %}
v1 Drive Shaft
## Step 6
The 1/4” ID x 5/8” OD bearing can be pressed into the Wheel Module Fork by hand. Only the Fork that aligns with the Wheel Module Drive Shaft needs a bearing. Once the bearing is in place, use the #10-32 x 1 3/4”L bolts to install both forks into the module.
{% hint style="info" %}
If you ordered your Wheel Module Forks after 5/16/2023, make sure an updated Wheel Module Fork is used on the side with the 15T Bevel Gear. The updated Wheel Module Fork will have a pocket designed to fit a 1/4-20 Nut machined into the outside face.
{% endhint %}
Updated Wheel Module Fork
## Step 7
The Main Drive Shaft and corresponding gear should be installed before the 3D Printed Rotation Pulley. Use the #4-40 x 7/8”L bolts to install the 3D Printed Rotation Pulley.
| Gear Ratio Kit | 2nd Stage Driving Gear |
| -------------- | ---------------------- |
| X1 | 26t |
| X2 | 28t |
| X3 | 28t |
{% hint style="info" %}
The 3D Printed Rotation Pulley was updated to strengthen the part and allow for longer bolts. If your 3D Printed Rotation Pulley does not have a step at the bottom of the integrated spacers that nests in the 72T Main Rotation Gear, then install the pulley using #4-40 x 3/4"L bolts.
{% endhint %}
{% hint style="warning" %}
Do NOT overtighten the #4-40 bolts, as this will crush the 3d printed part.
{% endhint %}
## Step 8
For the Non-Flipped configuration, the output shafts for the motors must be shortened for clearance. If you do not want to cut the shafts, we recommend installing the Motor Spacers.
For all configurations, the motors are installed using #10-32 x 1/2”L bolts. The pinions are bolted in using #10-32 x 1/2”L bolts.
{% hint style="info" %}
For the Drive Pinion refer back to the [Ratio Options](/welcome/gearboxes/wcp-swerve-x/general-info/ratio-options.md) page.
{% endhint %}
{% hint style="warning" %}
When using the X3 Ratio Set for the Standard Configuration, the Drive Pinions on a 14T CD will collide with the Top Plate.
To prevent this, the options are:
**1) (Recommended)** The pinion can be cut shorter by a 1/16" and spaced down to the end of the motor shaft.
or
**2)** The hole can be drilled to 0.875" to provide necessary clearance for pinion.
{% endhint %}
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